Statistics for Seine-et-Marne
Latest official figures for Seine-et-Marne, each linked to its source.
Demography
| Population | 1,490,900 persons | 2025 |
| Population density | 252.9 inhabitants per km² | 2024 |
| Population aged 65 and over | 16.2 % | 2025 |
| Median age | 38.7 years | 2025 |
| Live births | 17,109 count | 2024 |
| Deaths | 9,982 count | 2024 |
| Crude birth rate | 11.5 per 1,000 inhabitants | 2024 |
| Crude death rate | 6.7 per 1,000 inhabitants | 2024 |
Economy
| Gross domestic product (GDP) | 54,405 EUR million | 2024 |
| GDP per capita | 37,000 EUR | 2024 |
| GDP per capita in PPS (EU27 = 100) | 85 % | 2024 |